July weather forecastSelfoss, Iceland
July
Weather in July
July holds the title of being the warmest month of the year in Selfoss, with the highest average temperature reaching a comfortable 13.8°C (56.8°F). Despite not being the driest, the amount of rainfall is reasonable and does not have a significant impact on outdoor activities. The summer sunshine combined with moderate temperatures create an ideal climate for sightseeing. The reduction in wind speeds, when compared to the winter months, adds to the pleasant weather conditions. This month also brings the longest daylight hours of the year.Temperature
July temperatures tend to peak at an average high of 13.8°C (56.8°F) and dip to a low of 8.9°C (48°F).Humidity
The average relative humidity in July is 78%.Rainfall
In Selfoss, in July, during 19.7 rainfall days, 60mm (2.36") of precipitation is typically accumulated. Throughout the year, there are 208.7 rainfall days, and 1105mm (43.5") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Selfoss, the average length of the day in July is 19h and 28min.On the first day of July, sunrise is at 03:08 and sunset at 23:47. On the last day of the month, sunrise is at 04:32 and sunset at 22:28 GMT.
Sunshine
In July, the average sunshine is 7.4h.UV index
July is the month with the highest UV index, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 4 in July interprets into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Selfoss, Iceland
- Average high temperature in July: 13.8°C
The warmest month (with the highest average high temperature) is July (13.8°C).
The month with the lowest average high temperature is December (1.5°C).
- Average low temperature in July: 8.9°C
The month with the highest average low temperature is July (8.9°C).
The coldest month (with the lowest average low temperature) is December (-1.9°C).
Average pressure in July
Selfoss, Iceland
- Average pressure in July: 1009.4mbar
The month with the highest atmospheric pressure is June (1013.8mbar).
The month with the lowest atmospheric pressure is January (996.8mbar).
Average wind speed in July
Selfoss, Iceland
- Average wind speed in July: 14.7km/h
The windiest month (with the highest average wind speed) is February (24.8km/h).
The calmest month (with the lowest average wind speed) is July (14.7km/h).
Average humidity in July
Selfoss, Iceland
- Average humidity in July: 78%
The months with the highest relative humidity are January and September (82%).
The month with the lowest relative humidity is May (74%).
Average rainfall in July
Selfoss, Iceland
- Average rainfall in July: 60mm
The wettest month (with the highest rainfall) is January (142mm).
The driest month (with the least rainfall) is June (45mm).
Average rainfall days in July
Selfoss, Iceland
- Average rainfall days in July: 19.7 days
The month with the highest number of rainy days is April (19.9 days).
The month with the least rainy days is December (14.3 days).
Average snowfall in July
Selfoss, Iceland
- Average snowfall in July: 0mm
The month with the highest snowfall is March (220mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in July
Selfoss, Iceland
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is March (13.3 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Selfoss, Iceland
- Average daylight in July: 19h and 30min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in July: 7h and 24min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in July
Selfoss, Iceland
- Average sunshine days in July: 8.7 days
The month with the most sunshine days is June (12.3 days).
The month with the least sunshine days is January (5.5 days).
Average UV index in July
Selfoss, Iceland
- Average UV index in July: 4
The month with the highest UV index is July (UV index 4).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in July
Selfoss, Iceland
- Average cloud cover in July: 61
The month with the most cloud cover is March (Cloud cover 67).
The months with the least cloud cover are May and August (Cloud cover 59).
Average visibility in July
Selfoss, Iceland
- Average visibility in July: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (8km).
